@prefix psr: <http://data.loterre.fr/ark:/67375/PSR> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

psr:-FLZR8H6S-Q
  skos:prefLabel "Möbius strip"@en, "ruban de Möbius"@fr ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-Q82KZJNB-3
  skos:prefLabel "paraboloid"@en, "paraboloïde"@fr ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-B2W5CFWL-C
  skos:prefLabel "cône"@fr, "cone"@en ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-N1HSM97F-H
  skos:prefLabel "cylinder of revolution"@en, "cylindre de révolution"@fr ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-BMZ7FWCX-1
  skos:prefLabel "hélicoïde"@fr, "helicoid"@en ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-MB5WQWZK-R
  skos:prefLabel "conoid"@en, "conoïde"@fr ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-GFJ9C864-1
  skos:prefLabel "cone of revolution"@en, "cône de révolution"@fr ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-WDX4MV94-K
  skos:prefLabel "plane"@en, "plan"@fr ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-XCRW9Q0F-X
  skos:prefLabel "Catalan surface"@en, "surface de Catalan"@fr ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-TZMHRT6K-F
  skos:prefLabel "hyperboloïde"@fr, "hyperboloid"@en ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr: a skos:ConceptScheme .
psr:-KKRSJLFR-M
  skos:prefLabel "cylindre"@fr, "cylinder"@en ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-P8WJC0B5-K
  skos:narrower psr:-GFJ9C864-1, psr:-BMZ7FWCX-1, psr:-N1HSM97F-H, psr:-FLZR8H6S-Q, psr:-W3CGQCLX-L, psr:-XCRW9Q0F-X, psr:-TZMHRT6K-F, psr:-WDX4MV94-K, psr:-XQPLR5DM-L, psr:-MB5WQWZK-R, psr:-B2W5CFWL-C, psr:-KKRSJLFR-M, psr:-Q82KZJNB-3 ;
  skos:definition """En géométrie, une surface réglée est une surface par chaque point de laquelle passe une droite, appelée génératrice, contenue dans la surface. 
<br/>(Wikipedia, L'Encylopédie Libre, <a href="https://fr.wikipedia.org/wiki/Surface_r%C3%A9gl%C3%A9e">https://fr.wikipedia.org/wiki/Surface_r%C3%A9gl%C3%A9e</a>)"""@fr, """In geometry, a surface <i>S</i> is ruled (also called a scroll) if through every point of <i>S</i> there is a straight line that lies on <i>S</i>. Examples include the plane, the lateral surface of a cylinder or cone, a conical surface with elliptical directrix, the right conoid, the helicoid, and the tangent developable of a smooth curve in space. 
<br/>(Wikipedia, The Free Encyclopedia, <a href="https://en.wikipedia.org/wiki/Ruled_surface">https://en.wikipedia.org/wiki/Ruled_surface</a>)"""@en ;
  skos:broader psr:-G8RXJLH1-2, psr:-TX92VB3N-7 ;
  dc:created "2023-06-30"^^xsd:date ;
  a skos:Concept ;
  skos:exactMatch <https://fr.wikipedia.org/wiki/Surface_r%C3%A9gl%C3%A9e>, <https://en.wikipedia.org/wiki/Ruled_surface> ;
  skos:prefLabel "ruled surface"@en, "surface réglée"@fr ;
  dc:modified "2023-09-26"^^xsd:date ;
  skos:inScheme psr: .

psr:-XQPLR5DM-L
  skos:prefLabel "developable surface"@en, "surface développable"@fr ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-W3CGQCLX-L
  skos:prefLabel "parapluie de Whitney"@fr, "Whitney umbrella"@en ;
  a skos:Concept ;
  skos:broader psr:-P8WJC0B5-K .

psr:-TX92VB3N-7
  skos:prefLabel "differential geometry of surfaces"@en, "géométrie différentielle des surfaces"@fr ;
  a skos:Concept ;
  skos:narrower psr:-P8WJC0B5-K .

psr:-G8RXJLH1-2
  skos:prefLabel "surface"@fr, "surface"@en ;
  a skos:Concept ;
  skos:narrower psr:-P8WJC0B5-K .